contamination : 39 phrases in 14 subjects |
Earth sciences | 2 |
Electronics | 1 |
Environment | 15 |
Food industry | 3 |
General | 4 |
Health care | 3 |
Industry | 1 |
Law | 1 |
Metallurgy | 1 |
Municipal planning | 1 |
Natural sciences | 1 |
Pharmacy and pharmacology | 2 |
Technology | 1 |
Transport | 3 |